"The anatomist ought never to emulate the painter; nor in his accurate dissections and portraitures of the smaller parts of the human body, pretend to give his figures any graceful and engaging attitude or expression. There is even something hideous, or at least minute, in the views of thing...

"But notwithstanding the empire of the imagination, there is a secret tie or union among particular ideas, which causes the mind to conjoin them more frequently together, and makes the one, upon its appearance, introduce the other."

"For as it is by means of thought only that any thing operates upon our passions, and as these are the only ties of our thoughts, they are really to us the cement of the universe, and all the operations of the mind must, in a great measure, depend on them."

"But to make use of the allusion of a celebrated French author, the judgment may be compared to a clock or watch, where the most ordinary machine is sufficient to tell the hours; but the most elaborate alone can point out the minutes and seconds, and distinguish the smallest differences of time."

"Two men travelling on the highway, the one east, the other west, can easily pass each other, if the way be broad enough: But two men, reasoning upon opposite principles of religion, cannot so easily pass, without shocking; though one should think, that the way were also, in that case, sufficient...

"But such is the nature of the human mind, that it always lays hold on every mind that approaches it; and as it is wonderfully fortified by an unanimity of sentiments, so is it shocked and disturbed by any contrariety."

"The mind naturally continues with the same impetus or force, which it has acquired by its motion; as a vessel, once impelled by the oars, carries on its course for some time, when the original impulse is suspended."

"Away then with all those vain pretences of making ourselves happy within ourselves, of feasting on our own thoughts, of being satisfied with the consciousness of well-doing, and of despising all assistance and all supplies from external objects."